33 52 000 Removing and Installing/Replacing Rear Left or Right Shock Absorber
33 52 000 Removing and installing/replacing rear left or right shock absorberImportant!
- When replacing shock absorber/spring strut, renew auxiliary damper.
Note:
^ Read and comply with notes on replacing shock absorbers.
^ Read and comply with BMW Parts Department notes.
Important!
Only for vehicles with self-levelling suspension (air suspension).
Ensure correct mating (absorber/support cup) when replacing shock absorbers.
The following mating combinations (absorber/support cup) are permissible.
Absorber/support cup mating must be identical on left/right sides.
Version with Vertical Dynamics Management:
Important!
Handle the spring strut with care so as to avoid damaging the control unit (1) and control valve (2).
Necessary preliminary work:
^ Remove rear wheel.
^ Tension both coil springs with special tool (and leave on vehicle).
^ Version with self-levelling suspension: Deactivate and drain air spring/suspension system
^ Only E72 and E70 with third seat row:
Remove lashing rail in luggage compartment.
Version with Vertical Dynamics Management:
Note:
The plug connections on the right side are shown.
Partially detach rear wheel arch cover.
If applicable, disconnect both plug connections (3) and expose lines up to shock absorber.
1 Plug connection for brake pad wear sensor.
2 Plug connection for pulse sensor.
Release clamp (1) and remove brake hose (2) from shock absorber (4).
Installation note:
When installing the shock absorber, ensure that the holder for the brake hose (2) points to the middle of the vehicle.
Ensure correct seating in guide.
Retainer must be felt and heard to snap into place.
Release screw (3).
Important!
Secure shock absorber against falling out.
Remove shock absorber (4) from swinging arm and tie back.
Important!
Before tightening screw/screw connection, check that shock absorber pin is correctly positioned in swinging arm.
Screw must not be used as a fitting aid to installing the shock absorber!
Installation note:
Replace screw.
Tighten down screw in normal position.
Tightening torque 33 52 3AZ.
Important!
Risk of damage!
Do not pull expanding clips with luggage compartment well out of lashing rail.
Release expanding clips (1).
Press luggage compartment well (2) to one side.
Installation note:
Replace damaged expanding clips.
Note:
Pictured: the support cup for steel spring suspension or 5-seater with self-levelling suspension up to 09/2007, both for conventional shock absorbers and controlled shock absorbers. From 09/2007 this support cup will only be fitted in vehicles with steel spring suspension.
Unscrew nuts (1).
Installation note:
Replace self-locking nuts.
Tightening torque 33 52 1AZ.
Remove shock absorber if necessary with connecting lines in downward direction.
Installation note:
Clean body contact surface for support bearing flange all round.
Important!
Replace faulty sealing washer (1)!
Refit sealing washer (1).
Replacement:
Modify support bearing.
Modify auxiliary absorber (1) and protective tube (2) incl. support cup.
Installation note:
Replace auxiliary damper (1) and protective tube (2).
After installation:
^ Activate and fill air spring system
^ Replacement only: Code shock absorber with DIS tester and check software status.
^ Replacement only: Carry out vertical acceleration sensor adjustment.